HQRP Battery compatible with Ademco Honeywell LYNX Voice, LYNXR, LYNXR24, LYNXR24-SP Security System plus Coaster HQRP&reg; Rechargeable Battery plus HQRP&reg; Coaster; Battery Voltage: 7.2V; Capacity: 2200 mAh; Ni-Mh; Compatible with Original Battery; 200 Days warranty!